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KMID : 1103720160740010061
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Journal of the Korean Society of Radiology
2016 Volume.74 No. 1 p.61 ~ p.65
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Cerebellar Clear Cell Ependymoma in a 10-Year-Old Girl
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Thinzar Aye Nyein
Park Ji-Sang
Moon Ah-Rim
Hwang Sun-Chul
Hong Hyun-Sook
Lee A-Leum
Chang Kee-Hyun
Kim Hee-Kyung
Chin Su-Sie
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Abstract
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Clear cell ependymoma (CCE) is a histological rare variant (1?5%) of ependymoma, which is distinguished from other histological subtypes by the presence of fusiform cells arrayed radially around small blood vessels. These alleged perivascular pseudorosettes are significant characteristic features of ependymomas. About 95% of infratentorial ependymomas are found in the fourth ventricle and the remainder occurs as cerebellopontine angle lesions. In previous reports, the cerebellum is found to be a rare location for ependymoma. In this study we report one case of CCE originating from the cerebellar hemisphere, showing unusual morphology on 3T MRI.
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KEYWORD
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hemisphere, showing unusual morphology on 3T MRI
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